<template>
  <div class="todo-container">
    <div class="todo-wrap">
      <MyHeader :addTodo="addTodo" />
      <MyList :todos="todos" :checkTodo="checkTodo" :todoDelete="todoDelete"></MyList>
      <MyFooter :todos="todos" :checkAllTodo="checkAllTodo" :clearAllTodo="clearAllTodo"></MyFooter>
    </div>
  </div>
</template>

<script>
import MyHeader from "./components/MyHeader";
import MyFooter from "./components/MyFooter";
import MyList from "./components/MyList";

export default {
  name: "App",
  data() {
    return {
      todos: [
        { id: "0001", title: "吃饭", done: true },
        { id: "0002", title: "睡觉", done: false },
        { id: "0003", title: "抽烟", done: true },
      ],
    };
  },
  //汇总所有的组件
  components: {
    MyHeader,
    MyFooter,
    MyList,
  },
  methods: {
    addTodo(todoObj) {
      // console.log('我是app组件接收到了header的组件',x);
      this.todos.unshift(todoObj);
    },
    //勾选或取消勾选一个todo
    checkTodo(id) {
      this.todos.forEach((todo) => {
        if (id === todo.id) {
          todo.done = !todo.done;
          console.log(todo.done);
        }
      });
    },
    //删除一个todo
    todoDelete(id) {
      this.todos = this.todos.filter((todo) => {
        return todo.id !== id;
      });
    },
    //全选or取消全选
    checkAllTodo(done){
      this.todos.forEach((todo)=>{
        todo.done = done;
      })

    },
    clearAllTodo(){
      this.todos = this.todos.filter((todo) => !todo.done);
    }
  },
};
</script>

<style>
/*base*/
body {
  background: #fff;
}

.btn {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 0;
  font-size: 14px;
  line-height: 20px;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 1px 2px rgba(0, 0, 0, 0.05);
  border-radius: 4px;
}

.btn-danger {
  color: #fff;
  background-color: #da4f49;
  border: 1px solid #bd362f;
}

.btn-danger:hover {
  color: #fff;
  background-color: #bd362f;
}

.btn:focus {
  outline: none;
}

.todo-container {
  width: 600px;
  margin: 0 auto;
}
.todo-container .todo-wrap {
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
}
</style>
